CFR > Title 40 > Chapter I > Subchapter N > Part 435 > Subpart E CFR > Title 40 > Chapter I > Subchapter N > Part 435 > Subpart E – Agricultural and Wildlife Water Use Subcategory Current as of: 2024 | Check for updates | Other versions § 435.50 Applicability; description of the beneficial use subcategory § 435.51 Specialized definitions § 435.52 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available